575 hedge funds and large institutions have $10.5B invested in MPLX in 2025 Q3 according to their latest regulatory filings, with 54 funds opening new positions, 221 increasing their positions, 123 reducing their positions, and 45 closing their positions.

New
Increased
Maintained
Reduced
Closed

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more call options, than puts

Call options by funds: $ | Put options by funds: $

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

0.65% less ownership

Funds ownership: 21.27%20.61% (-0.65%)

6% less capital invested

Capital invested by funds: $11.2B → $10.5B (-$672M)

7% less funds holding in top 10

Funds holding in top 10: 3028 (-2)

Holders
575
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
28
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$143M
Puts
$96.3M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
STA
401
Summit Trail Advisors
New York
$298K
WCM
402
Winebrenner Capital Management
Kentucky
$296K
AP
403
Atwood & Palmer
Missouri
$292K
VCAM
404
Van Cleef Asset Management
Ohio
$290K
MFWP
405
Mosaic Family Wealth Partners
Missouri
$290K
AFO
406
Allie Family Office
Florida
$286K
Bank of Montreal
407
Bank of Montreal
Ontario, Canada
$282K
MS
408
Madden Securities
Texas
$281K
PA
409
Parallel Advisors
California
$281K
PTC
410
Philadelphia Trust Company
Pennsylvania
$281K
Focus Partners Wealth
411
Focus Partners Wealth
Massachusetts
$281K
SAM
412
Secure Asset Management
Michigan
$280K
VWA
413
Visionary Wealth Advisors
Illinois
$279K
BAM
414
Belpointe Asset Management
Nevada
$279K
EH
415
Equitable Holdings
New York
$277K
OWA
416
Outlook Wealth Advisors
Texas
$277K
MPCA
417
Madison Park Capital Advisors
Washington
$275K
SGCA
418
Steel Grove Capital Advisors
Tennessee
$273K
FDCDDQ
419
Federation des caisses Desjardins du Quebec
Quebec, Canada
$272K
IF
420
Integrity Financial
Wyoming
$272K
OFA
421
Oak Family Advisors
Illinois
$271K
QPWM
422
Quadrant Private Wealth Management
Pennsylvania
$270K
RCM
423
Rockbridge Capital Management
Virginia
$269K
BWP
424
BSW Wealth Partners
Colorado
$269K
MWM
425
MBE Wealth Management
Wisconsin
$267K